CN219452920U

CN219452920U - High sealed eccentric butterfly valve

Info

Publication number: CN219452920U
Application number: CN202320918331.8U
Authority: CN
Inventors: 洪钦赐; 洪守用; 王本磊
Original assignee: Quancheng Valve Co ltd
Current assignee: Quancheng Valve Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-08-01
Anticipated expiration: 2033-04-23

Abstract

The utility model relates to the field of valve body equipment, and discloses a high-sealing eccentric butterfly valve, which effectively solves the problem that the existing baffle is easy to rotate under the action of water flow pressure, so that the tightness of a valve body is poor.

Description

High sealed eccentric butterfly valve

Technical Field

The utility model belongs to the field of valve body equipment, and particularly relates to a high-sealing eccentric butterfly valve.

Background

In order to solve the extrusion problem of the butterfly plate and the valve seat of the concentric butterfly valve, an eccentric butterfly valve is produced.

The eccentric butterfly valve generally comprises baffle and baffle drive rotation equipment the same with pipeline cross-section internal diameter, and when the butterfly valve was in the closed condition, baffle and pipeline cross-section parallel arrangement, rivers were stopped by the baffle this moment for rivers no longer flow, under the rivers pressure effect, easily caused the baffle pressurized to rotate, thereby easily cause when the eccentric butterfly valve was closed, the valve body leakproofness was not good.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the high-sealing eccentric butterfly valve, which effectively solves the problem that the existing baffle is easy to rotate under the action of water flow pressure, so that the sealing performance of the valve body is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high sealed eccentric butterfly valve, includes the valve body, the internally mounted of valve body has the baffle, and the pivot is installed in the front of baffle, and the pivot rotates with the valve body to be connected, and switch regulation subassembly is installed on the top of valve body, and joint locating component is installed to the top of valve body.

Preferably, the switch adjusting component comprises a top cylinder arranged at the top end of the valve body, a side cylinder is arranged at one side of the top cylinder, a connecting rotating rod is arranged in the top cylinder, and the bottom end of the connecting rotating rod is fixedly connected with the rotating shaft.

Preferably, the screw is connected with the internal thread of the side cylinder, the rotating handle is installed at one end of the screw, and the movable rod is inserted at the other end of the screw.

Preferably, a second bevel gear is arranged at one end of the movable rod, the second bevel gear is arranged in the top cylinder, a first bevel gear is arranged at the top end of the connecting rotating rod, and the first bevel gear is meshed with the second bevel gear.

Preferably, the stopper is installed in the outside of movable rod, stopper sliding connection in the inside of spacing groove, and the spacing groove is seted up on the inner wall of screw rod, and compression spring is installed to the one end of movable rod, and compression spring's one end and the inner wall fixed connection of screw rod.

Preferably, the clamping positioning assembly comprises a clamping groove formed in the top end of the first bevel gear in the switch adjusting assembly, a clamping rod is inserted into the clamping groove, a rotary seat is installed at the top end of the top cylinder, the top end of the rotary seat is rotationally connected with a rotary plate, a reset spring is installed at the bottom end of the rotary plate, a movable rotary sleeve is sleeved at one end of the rotary plate, adjusting springs are symmetrically installed on the inner wall of the movable rotary sleeve, and one end of each adjusting spring is fixedly connected with the rotary plate.

Preferably, the clamping rod penetrates through the top end of the top cylinder, the clamping rod is rotationally connected with the movable rotating sleeve, and the shape of the clamping rod and the shape of the clamping groove are square.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, when the valve body needs to be opened, the movable rotating sleeve is driven to rotate upwards by pressing the rotating plate, so that the clamping rod is separated from the clamping groove after being moved upwards, the rotating handle is rotated to drive the screw rod to rotate the second bevel gear, and then the baffle is driven to rotate by the first bevel gear, so that the valve body is controlled to be opened, and the switching effect is improved;

when the first bevel gear rotates to the position where the clamping groove is matched with the clamping rod, the clamping rod moves downwards under the action of self gravity and the elastic force of the reset spring, so that the clamping rod is inserted back into the clamping groove again, and then the baffle is locked, thereby improving the stability of the baffle under the impact of liquid flow and improving the sealing effect.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the valve body structure of the present utility model;

FIG. 3 is a schematic diagram of a switch adjusting assembly according to the present utility model;

FIG. 4 is a schematic view of the structure of the screw of the present utility model;

FIG. 5 is a schematic view of a clamping and positioning assembly according to the present utility model;

in the figure: 1. a valve body; 2. a baffle; 3. a rotating shaft; 4. a switch adjustment assembly; 401. a top barrel; 402. a side cylinder; 403. connecting a rotating rod; 404. a first helical gear; 405. a screw; 406. a rotating handle; 407. a movable rod; 408. a limiting block; 409. a limit groove; 410. a compression spring; 411. a second helical gear; 5. the clamping and positioning assembly; 501. a clamping groove; 502. a clamping rod; 503. rotating base; 504. a rotating plate; 505. a return spring; 506. a movable swivel sleeve; 507. and (5) adjusting the spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The first embodiment is shown in fig. 1-5, the utility model comprises a valve body 1, a baffle plate 2 is arranged in the valve body 1, a rotating shaft 3 is arranged on the front surface of the baffle plate 2, the rotating shaft 3 is rotationally connected with the valve body 1, a switch adjusting component 4 is arranged at the top end of the valve body 1, and a clamping positioning component 5 is arranged above the valve body 1.

In the second embodiment, based on the first embodiment, the switch adjusting assembly 4 includes a top cylinder 401 installed at the top end of the valve body 1, a side cylinder 402 is installed at one side of the top cylinder 401, a connection rotating rod 403 is installed inside the top cylinder 401, the bottom end of the connection rotating rod 403 is fixedly connected with the rotating shaft 3, a screw rod 405 is connected inside the side cylinder 402 in a threaded manner, a rotating handle 406 is installed at one end of the screw rod 405, a movable rod 407 is inserted at the other end of the screw rod 405, a second bevel gear 411 is installed at one end of the movable rod 407, the second bevel gear 411 is arranged inside the top cylinder 401, a first bevel gear 404 is installed at the top end of the connection rotating rod 403, the first bevel gear 404 is meshed with the second bevel gear 411, a limiting block 408 is installed at the outer side of the movable rod 407, the limiting block 408 is slidably connected inside a limiting groove 409, the limiting groove 409 is opened on the inner wall of the screw rod 405, a compression spring 410 is installed at one end of the movable rod 407, and one end of the compression spring 410 is fixedly connected with the inner wall of the screw rod 405;

when the valve body 1 needs to be opened, the rotating plate 504 is pressed at this time, so that the rotating plate 504 is inclined downwards, then the rotating plate 504 drives the movable rotating sleeve 506 to rotate upwards, so that the clamping rod 502 is separated from the clamping groove 501 after the clamping rod 502 is driven to move upwards, the rotating handle 406 is rotated, and the second bevel gear 411 is tightly meshed with the first bevel gear 404 due to the sliding connection of the movable rod 407 and the screw rod 405 and the elastic force of the compression spring 410, at this time, the screw rod 405 drives the second bevel gear 411 to rotate, and then the second bevel gear 411 drives the baffle plate 2 to rotate through the first bevel gear 404, so that the valve body 1 is controlled to be opened, and the switching effect is improved.

Based on the first embodiment, the clamping positioning assembly 5 comprises a clamping groove 501 formed in the top end of the first bevel gear 404 in the switch adjusting assembly 4, a clamping rod 502 is inserted into the clamping groove 501, a rotary seat 503 is installed at the top end of the top cylinder 401, a rotary plate 504 is rotatably connected to the top end of the rotary seat 503, a return spring 505 is installed at the bottom end of the rotary plate 504, a movable rotary sleeve 506 is sleeved at one end of the rotary plate 504, an adjusting spring 507 is symmetrically installed on the inner wall of the movable rotary sleeve 506, one end of the adjusting spring 507 is fixedly connected with the rotary plate 504, the clamping rod 502 penetrates through the top end of the top cylinder 401, the clamping rod 502 is rotatably connected with the movable rotary sleeve 506, and the shape of the clamping rod 502 and the shape of the clamping groove 501 are square;

when the valve body 1 needs to be closed, the rotating handle 406 is reversely rotated at the moment, so that the screw 405 drives the second bevel gear 411 to reversely rotate, and then the second bevel gear 411 drives the first bevel gear 404 to rotate, when the first bevel gear 404 rotates to the position where the clamping groove 501 is matched with the clamping rod 502, the clamping rod 502 moves downwards under the action of self gravity and the elasticity of the reset spring 505 at the moment, and then the clamping rod 502 is reinserted into the clamping groove 501, and then the baffle 2 is locked.

Working principle: in use, when the valve body 1 needs to be opened, the rotating plate 504 is pressed at this time, so that the rotating plate 504 is inclined downwards, and then the rotating plate 504 drives the movable rotating sleeve 506 to rotate upwards, so that the clamping rod 502 is separated from the clamping groove 501 after the clamping rod 502 moves upwards, wherein, due to the fact that the rotating plate 504 is pressed, one end of the rotating plate 504, which is close to the movable rotating sleeve 506, is lifted upwards, due to the fact that the rotating plate 504 is slidably arranged in the movable rotating sleeve 506, after the rotating plate 504 rotates, the movable rotating sleeve 506 also changes along with the change of the angle of the rotating plate 504, and due to the fact that one end of the movable rotating sleeve 506 is rotationally connected with one side of the clamping rod 502 (the rotating connection is hinged), after the movable rotating sleeve 506 rotates upwards along with the rotating plate 504, one end of the movable rotating sleeve 506, which is connected with the clamping rod 502, is lifted upwards, thereby pushing the clamping rod 502 to move upwards, so that the clamping rod 502 is separated from the clamping groove 501 upwards, and as the adjusting spring 507 is fixedly arranged between one end of the rotating plate 504, which is close to the movable rotating sleeve 506, and the inner wall of the movable rotating sleeve 506, the adjusting spring 507 is used for connecting the rotating plate 504 and the movable rotating sleeve 506, so that the rotating plate 504 is prevented from being excessively large in rotation amplitude, the movable rotating sleeve 506 and the rotating plate 504 are separated, and then the rotating handle 406 is rotated, and as the movable rod 407 is in sliding connection with the screw rod 405, under the elastic force of the compression spring 410, the second bevel gear 411 is tightly meshed with the first bevel gear 404, and at the moment, the screw rod 405 drives the second bevel gear 411 to rotate, and then the second bevel gear 411 drives the baffle 2 to rotate through the first bevel gear 404, so that the valve body 1 is controlled to be opened, and thus the switching effect is improved;

when the valve body 1 needs to be closed, the rotating handle 406 is reversely rotated at the moment, so that the screw rod 405 drives the second bevel gear 411 to reversely rotate, the second bevel gear 411 drives the first bevel gear 404 to rotate, when the first bevel gear 404 rotates to the matching position of the clamping groove 501 and the clamping rod 502, the clamping rod 502 moves downwards under the action of self gravity and the elasticity of the reset spring 505, and then the clamping rod 502 is inserted back into the clamping groove 501 again, and then the baffle plate 2 is locked, so that the stability of the baffle plate 2 under the impact of liquid flow is improved, and the sealing effect is improved.

Claims

1. The utility model provides a high sealed eccentric butterfly valve, includes valve body (1), its characterized in that: the novel valve is characterized in that a baffle (2) is arranged in the valve body (1), a rotating shaft (3) is arranged on the front face of the baffle (2), the rotating shaft (3) is rotationally connected with the valve body (1), a switch adjusting assembly (4) is arranged at the top end of the valve body (1), and a clamping positioning assembly (5) is arranged above the valve body (1).

2. The high seal eccentric butterfly valve of claim 1, wherein: the switch adjusting assembly (4) comprises a top cylinder (401) arranged at the top end of the valve body (1), a side cylinder (402) is arranged on one side of the top cylinder (401), a connecting rotating rod (403) is arranged in the top cylinder (401), and the bottom end of the connecting rotating rod (403) is fixedly connected with the rotating shaft (3).

3. A high seal eccentric butterfly valve according to claim 2, wherein: the inside threaded connection of side section of thick bamboo (402) has screw rod (405), and twist grip (406) are installed to one end of screw rod (405), and movable rod (407) are pegged graft to the other end of screw rod (405).

4. A high seal eccentric butterfly valve according to claim 3, wherein: a second bevel gear (411) is arranged at one end of the movable rod (407), the second bevel gear (411) is arranged in the top cylinder (401), a first bevel gear (404) is arranged at the top end of the connecting rotating rod (403), and the first bevel gear (404) is meshed with the second bevel gear (411).

5. A high seal eccentric butterfly valve according to claim 3, wherein: a limiting block (408) is arranged on the outer side of the movable rod (407), the limiting block (408) is connected to the inside of a limiting groove (409) in a sliding mode, the limiting groove (409) is formed in the inner wall of the screw rod (405), a compression spring (410) is arranged at one end of the movable rod (407), and one end of the compression spring (410) is fixedly connected with the inner wall of the screw rod (405).

6. The high seal eccentric butterfly valve of claim 1, wherein: the clamping positioning assembly (5) comprises a clamping groove (501) formed in the top end of the first bevel gear (404), a clamping rod (502) is inserted into the clamping groove (501), a rotating seat (503) is arranged at the top end of the top barrel (401), a rotating plate (504) is rotatably connected to the top end of the rotating seat (503), a reset spring (505) is arranged at the bottom end of the rotating plate (504), a movable rotating sleeve (506) is sleeved at one end of the rotating plate (504), an adjusting spring (507) is symmetrically arranged on the inner wall of the movable rotating sleeve (506), and one end of the adjusting spring (507) is fixedly connected with the rotating plate (504).

7. The high seal eccentric butterfly valve of claim 6, wherein: the clamping rod (502) penetrates through the top end of the top cylinder (401), the clamping rod (502) is rotationally connected with the movable rotating sleeve (506), and the shape of the clamping rod (502) and the shape of the clamping groove (501) are square.